Because everything is moving to a web app, [Vasilis Georgitzikis], a.k.a. [tzikis] developed codebender, a cloud-based Arduino IDE replete with built-in libraries, documentation, and the ability to… ...

Open the Arduino software and paste the Arduino code (the text in the box near the bottom of the post) into a new sketch. Click Sketch > Verify / Compile to make sure the code is properly in there.

Leonardo Russo’s ArduinoSimulator is an open-source Arduino Simulator written in JavaScript that runs code directly in your web browser and shows the serial output and digital/analog pins status for ...